All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jesper Dangaard Brouer <brouer@redhat.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] Issue with driver i40e stat strings count mismatch
Date: Tue, 10 Jul 2018 13:17:21 +0200	[thread overview]
Message-ID: <20180710131721.657e55a5@redhat.com> (raw)

Hi Intel-fokes,

Your i40e driver have issues with it's ethtool stats.  A warning
triggers at drivers/net/ethernet/intel/i40e/i40e_ethtool.c line 1907
(see splash below) in func i40e_get_stat_strings().


[ 5077.779518] ------------[ cut here ]------------
[ 5077.784493] stat strings count mismatch!
[ 5077.784529] WARNING: CPU: 0 PID: 2293 at drivers/net/ethernet/intel/i40e/i40e_ethtool.c:1907 i40e_get_strings+0x477/0x4b0 [i40e]
[ 5077.800941] Modules linked in: act_gact cls_u32 sch_ingress xt_tcpudp iptable_raw ip_tables x_tables tun nfnetlink bridge stp llc bpfilter sunrpc coretemp kvm_intel kvm irqbypass intel_cstate intel_uncore intel_rapl_perf pcspkr i2c_i801 wmi ipmi_si ipmi_devintf ipmi_msghandler acpi_pad sch_fq_codel ixgbe mlx5_core mlxfw i40e devlink hid_generic igb mdio i2c_algo_bit ptp sd_mod i2c_core pps_core [last unloaded: x_tables]
[ 5077.839833] CPU: 0 PID: 2293 Comm: ethtool Not tainted 4.18.0-rc3-net-next-EdwardCree01+ #484
[ 5077.848962] Hardware name: Supermicro Super Server/X10SRi-F, BIOS 2.0a 08/01/2016
[ 5077.857049] RIP: 0010:i40e_get_strings+0x477/0x4b0 [i40e]
[ 5077.862776] Code: 98 49 39 c4 0f 84 2e fc ff ff 80 3d b3 da 03 00 00 0f 85 21 fc ff ff 48 c7 c7 24 42 19 a0 c6 05 9f da 03 00 01 e8 e9 9c ee e0 <0f> 0b e9 07 fc ff ff 48 83 c4 10 48 c7 c1 80 01 19 a0 be 20 00 00 
[ 5077.882506] RSP: 0018:ffffc90003af3c18 EFLAGS: 00010296
[ 5077.888063] RAX: 000000000000001c RBX: ffffc90003ce1440 RCX: 0000000000000006
[ 5077.895528] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff88087ca15530
[ 5077.902991] RBP: ffffc90003ce1440 R08: 000000000000001c R09: 0000000000000411
[ 5077.910453] R10: 000fffffffe00000 R11: ffffffff82a4e66d R12: ffffffffffffcbc0
[ 5077.917913] R13: ffff88087c50f000 R14: 0000000000000008 R15: ffffffffa0199620
[ 5077.925376] FS:  00007f7a84bcb740(0000) GS:ffff88087ca00000(0000) knlGS:0000000000000000
[ 5077.934061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5077.940133] CR2: 000055c7d709b000 CR3: 000000081acd0004 CR4: 00000000003606f0
[ 5077.947609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5077.955070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5077.962531] Call Trace:
[ 5077.965309]  dev_ethtool+0xf4e/0x2430
[ 5077.969305]  ? get_page_from_freelist+0x2bb/0x1240
[ 5077.974428]  ? dev_ioctl+0x1e9/0x3c0
[ 5077.978332]  dev_ioctl+0x1e9/0x3c0
[ 5077.982062]  sock_do_ioctl+0xa8/0x140
[ 5077.986057]  ? sock_ioctl+0x1c0/0x300
[ 5077.990051]  sock_ioctl+0x1c0/0x300
[ 5077.993864]  ? __handle_mm_fault+0xa82/0xfd0
[ 5077.998462]  ? do_vfs_ioctl+0x8d/0x5e0
[ 5078.002550]  do_vfs_ioctl+0x8d/0x5e0
[ 5078.006456]  ? handle_mm_fault+0xd0/0x210
[ 5078.010790]  ksys_ioctl+0x70/0x80
[ 5078.014429]  __x64_sys_ioctl+0x16/0x20
[ 5078.018505]  do_syscall_64+0x42/0xf0
[ 5078.022411]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5078.027789] RIP: 0033:0x7f7a84394dc7
[ 5078.031703] Code: b3 66 90 48 8b 05 d9 00 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 00 2d 00 f7 d8 64 89 01 48 
[ 5078.051437] RSP: 002b:00007ffd64d68338 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 5078.059596] RAX: ffffffffffffffda RBX: 000055c7d7099260 RCX: 00007f7a84394dc7
[ 5078.067062] RDX: 00007ffd64d684e0 RSI: 0000000000008946 RDI: 0000000000000003
[ 5078.074524] RBP: 00007ffd64d684d0 R08: ffffffffffffffb0 R09: 000055c7d7099260
[ 5078.081986] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000001a2
[ 5078.089447] R13: 0000000000000001 R14: 0000000000000000 R15: 00007ffd64d684e0
[ 5078.096911] ---[ end trace faf82a00c0d8b6b1 ]---

$ gdb ./drivers/net/ethernet/intel/i40e/i40e.ko
[...]
Reading symbols from ./drivers/net/ethernet/intel/i40e/i40e.ko...done.
(gdb) list *(i40e_get_strings)+0x477
0x17787 is in i40e_get_strings (drivers/net/ethernet/intel/i40e/i40e_ethtool.c:1906).
1901			snprintf(data, ETH_GSTRING_LEN,
1902				 "port.rx_priority_%u_xon_2_xoff", i);
1903			data += ETH_GSTRING_LEN;
1904		}
1905	
1906		WARN_ONCE(p - data != i40e_get_stats_count(netdev) * ETH_GSTRING_LEN,
1907			  "stat strings count mismatch!");
1908	}
1909	
1910	static void i40e_get_priv_flag_strings(struct net_device *netdev, u8 *data)

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer

WARNING: multiple messages have this Message-ID (diff)
From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: brouer@redhat.com, "Björn Töpel" <bjorn.topel@intel.com>,
	"alexander.h.duyck@intel.com" <alexander.h.duyck@intel.com>,
	intel-wired-lan <intel-wired-lan@lists.osuosl.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Issue with driver i40e stat strings count mismatch
Date: Tue, 10 Jul 2018 13:17:21 +0200	[thread overview]
Message-ID: <20180710131721.657e55a5@redhat.com> (raw)

Hi Intel-fokes,

Your i40e driver have issues with it's ethtool stats.  A warning
triggers at drivers/net/ethernet/intel/i40e/i40e_ethtool.c line 1907
(see splash below) in func i40e_get_stat_strings().


[ 5077.779518] ------------[ cut here ]------------
[ 5077.784493] stat strings count mismatch!
[ 5077.784529] WARNING: CPU: 0 PID: 2293 at drivers/net/ethernet/intel/i40e/i40e_ethtool.c:1907 i40e_get_strings+0x477/0x4b0 [i40e]
[ 5077.800941] Modules linked in: act_gact cls_u32 sch_ingress xt_tcpudp iptable_raw ip_tables x_tables tun nfnetlink bridge stp llc bpfilter sunrpc coretemp kvm_intel kvm irqbypass intel_cstate intel_uncore intel_rapl_perf pcspkr i2c_i801 wmi ipmi_si ipmi_devintf ipmi_msghandler acpi_pad sch_fq_codel ixgbe mlx5_core mlxfw i40e devlink hid_generic igb mdio i2c_algo_bit ptp sd_mod i2c_core pps_core [last unloaded: x_tables]
[ 5077.839833] CPU: 0 PID: 2293 Comm: ethtool Not tainted 4.18.0-rc3-net-next-EdwardCree01+ #484
[ 5077.848962] Hardware name: Supermicro Super Server/X10SRi-F, BIOS 2.0a 08/01/2016
[ 5077.857049] RIP: 0010:i40e_get_strings+0x477/0x4b0 [i40e]
[ 5077.862776] Code: 98 49 39 c4 0f 84 2e fc ff ff 80 3d b3 da 03 00 00 0f 85 21 fc ff ff 48 c7 c7 24 42 19 a0 c6 05 9f da 03 00 01 e8 e9 9c ee e0 <0f> 0b e9 07 fc ff ff 48 83 c4 10 48 c7 c1 80 01 19 a0 be 20 00 00 
[ 5077.882506] RSP: 0018:ffffc90003af3c18 EFLAGS: 00010296
[ 5077.888063] RAX: 000000000000001c RBX: ffffc90003ce1440 RCX: 0000000000000006
[ 5077.895528] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff88087ca15530
[ 5077.902991] RBP: ffffc90003ce1440 R08: 000000000000001c R09: 0000000000000411
[ 5077.910453] R10: 000fffffffe00000 R11: ffffffff82a4e66d R12: ffffffffffffcbc0
[ 5077.917913] R13: ffff88087c50f000 R14: 0000000000000008 R15: ffffffffa0199620
[ 5077.925376] FS:  00007f7a84bcb740(0000) GS:ffff88087ca00000(0000) knlGS:0000000000000000
[ 5077.934061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5077.940133] CR2: 000055c7d709b000 CR3: 000000081acd0004 CR4: 00000000003606f0
[ 5077.947609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5077.955070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5077.962531] Call Trace:
[ 5077.965309]  dev_ethtool+0xf4e/0x2430
[ 5077.969305]  ? get_page_from_freelist+0x2bb/0x1240
[ 5077.974428]  ? dev_ioctl+0x1e9/0x3c0
[ 5077.978332]  dev_ioctl+0x1e9/0x3c0
[ 5077.982062]  sock_do_ioctl+0xa8/0x140
[ 5077.986057]  ? sock_ioctl+0x1c0/0x300
[ 5077.990051]  sock_ioctl+0x1c0/0x300
[ 5077.993864]  ? __handle_mm_fault+0xa82/0xfd0
[ 5077.998462]  ? do_vfs_ioctl+0x8d/0x5e0
[ 5078.002550]  do_vfs_ioctl+0x8d/0x5e0
[ 5078.006456]  ? handle_mm_fault+0xd0/0x210
[ 5078.010790]  ksys_ioctl+0x70/0x80
[ 5078.014429]  __x64_sys_ioctl+0x16/0x20
[ 5078.018505]  do_syscall_64+0x42/0xf0
[ 5078.022411]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 5078.027789] RIP: 0033:0x7f7a84394dc7
[ 5078.031703] Code: b3 66 90 48 8b 05 d9 00 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 00 2d 00 f7 d8 64 89 01 48 
[ 5078.051437] RSP: 002b:00007ffd64d68338 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 5078.059596] RAX: ffffffffffffffda RBX: 000055c7d7099260 RCX: 00007f7a84394dc7
[ 5078.067062] RDX: 00007ffd64d684e0 RSI: 0000000000008946 RDI: 0000000000000003
[ 5078.074524] RBP: 00007ffd64d684d0 R08: ffffffffffffffb0 R09: 000055c7d7099260
[ 5078.081986] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000001a2
[ 5078.089447] R13: 0000000000000001 R14: 0000000000000000 R15: 00007ffd64d684e0
[ 5078.096911] ---[ end trace faf82a00c0d8b6b1 ]---

$ gdb ./drivers/net/ethernet/intel/i40e/i40e.ko
[...]
Reading symbols from ./drivers/net/ethernet/intel/i40e/i40e.ko...done.
(gdb) list *(i40e_get_strings)+0x477
0x17787 is in i40e_get_strings (drivers/net/ethernet/intel/i40e/i40e_ethtool.c:1906).
1901			snprintf(data, ETH_GSTRING_LEN,
1902				 "port.rx_priority_%u_xon_2_xoff", i);
1903			data += ETH_GSTRING_LEN;
1904		}
1905	
1906		WARN_ONCE(p - data != i40e_get_stats_count(netdev) * ETH_GSTRING_LEN,
1907			  "stat strings count mismatch!");
1908	}
1909	
1910	static void i40e_get_priv_flag_strings(struct net_device *netdev, u8 *data)

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer

             reply	other threads:[~2018-07-10 11:17 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-10 11:17 Jesper Dangaard Brouer [this message]
2018-07-10 11:17 ` Issue with driver i40e stat strings count mismatch Jesper Dangaard Brouer
2018-07-31  7:05 ` [Intel-wired-lan] " Stefan Assmann
2018-07-31  7:05   ` Stefan Assmann
2018-07-31 14:28   ` [Intel-wired-lan] " Jesper Dangaard Brouer
2018-07-31 14:28     ` Jesper Dangaard Brouer
2018-07-31 15:53     ` [Intel-wired-lan] " Wyborny, Carolyn
2018-07-31 15:53       ` Wyborny, Carolyn
2018-07-31 18:29       ` Keller, Jacob E
2018-07-31 18:29         ` Keller, Jacob E
2018-07-31 18:35   ` Keller, Jacob E
2018-07-31 18:35     ` Keller, Jacob E

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180710131721.657e55a5@redhat.com \
    --to=brouer@redhat.com \
    --cc=intel-wired-lan@osuosl.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.